Shrugalug (v): to move ones' shoulders in a laconic, terse, and/or lazy manner suggesting disinterest or apathy in a matter most would consider to be of the utmost importance

(N) A meme used by the hacker group Anonymous

shrugalugger (n): one who could have done something important but forgot and/or didn't care and is now seen flipping burgers at the Golden Arches.

Person 1: So I didn't do my essay last night. I just wasn't feeling it.
Person 2: Dude, I can't believe that you shrugalugged that! It's worth half of our term grade!
or
As I told the woman of her husband's death, she simply shrugalugged. "He was an asshole." I walked away with my faith in humanity shattered